Water chilling unit



FIG. 1 is a front, top and left side perspective view of a water chilling unit showing my new design;

FIG. 2 a front, top and right side perspective view thereof;

FIG. 3 is a front elevation view thereof;

FIG. 4 is a rear elevation view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a left side elevation view thereof; and,

FIG. 8 is a right side elevation view thereof.

The broken lines showing portions of the water chilling unit are for purpose of illustrating environmental structure only and forms no part of claimed design. 

CLAIM The ornamental design for a water chilling unit, as shown and described. 